Loudspeaker



FIG. 1 is a perspective view of a loudspeaker showing my new design;

FIG. 2 is front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a bottom perspective view thereof.

The ornamental design for a loudspeaker, as shown.